For manual, high-intent pages, Google’s Indexing API remains the gold standard....
https://www.acid-bookmarks.win/if-you-re-pushing-time-sensitive-content-like-job-postings-use-the-google
For manual, high-intent pages, Google’s Indexing API remains the gold standard. When managing mass-scale link campaigns, third-party indexers often provide the necessary lift, with some services costing around $29 for 60 credits